# 四则运算是指 +加 -减 *乘 /除
print("加减")
x = 5 + 6
print(x)

y = x - 10
print(y)

print("乘除")
x = 5 * 9
print(x)

y = 9 / 5
print(y)
print("余数和整除")
x = 9% 5
print(x)

y = 9//2 # 将9除以2的整数结果设定给变量y
print(y)

print(
    "次方"
)

x = 3** 2
print(x)
y = 3 ** 3
print(y)